Finding the Fourth Proportional to 89,291, 123,221.40 and 49,005.24

Step by Step Solution

1. Step 1: Write the proportion equation
   89,291 : 123,221.40 = 49,005.24 : x
2. Step 2: Convert to fraction form
   89,291/123,221.40 = 49,005.24/x
3. Step 3: Cross multiply
   89,291x = 123,221.40 × 49,005.24
4. Step 4: Simplify right side
   89,291x = 6,038,494,280.14
5. Step 5: Solve for x
   x = 6,038,494,280.14/89,291
6. Step 6: Final answer
   x = 67,627.13